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Peptides get the hype. These amino acids get the results.

Peptides get the hype. These amino acids get the results.

The leucine paradox, the $20 GlyNAC stack, and why your protein shake math changes at 50.

Hillary Lin, MD

•

Apr 8, 2026


Peptides get the hype. These amino acids get the results.

Peptides get the hype. These amino acids get the results.

The leucine paradox, the $20 GlyNAC stack, and why your protein shake math changes at 50.

Apr 8, 2026

•

24 min read

Your Biological Age Test Might Be Lying to You

Your Biological Age Test Might Be Lying to You

Mar 23, 2026

•

30 min read

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Peptides get the hype. These amino acids get the results.

Peptides get the hype. These amino acids get the results.

Your Supplement Might Contain Viagra, Lead, or Poison

Your Supplement Might Contain Viagra, Lead, or Poison

Your Biological Age Test Might Be Lying to You

Your Biological Age Test Might Be Lying to You

Your Brain Is Still Growing New Neurons.

Your Brain Is Still Growing New Neurons.

GRAIL's Cancer Test Just Failed Its Big Trial. Here's Why I Still Use It.

GRAIL's Cancer Test Just Failed Its Big Trial. Here's Why I Still Use It.

He didn't run until 66. At 82, he beats 20-yo athletes.

He didn't run until 66. At 82, he beats 20-yo athletes.

Why I prescribe Rapamycin - but not to most of my patients

Why I prescribe Rapamycin - but not to most of my patients

Is 50% of your lifespan already "decided"?

Is 50% of your lifespan already "decided"?


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Hype-free longevity and healthspan protocols from a Stanford-trained MD.

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